OK, here's the updated trials.pd with appropriate phase relationships. The pulse train in SC3 is control rate, so there might be a ramp between values that I'm missing. You can add it and see if it makes a difference.
On Tue, Feb 16, 2016 at 9:49 AM, Matt Barber <brbrof...@gmail.com> wrote:
> The documentation is poor on both sides. I had to go into the source code
> to find out a couple of things.
> On Feb 16, 2016 9:45 AM, "Alexandre Torres Porres" <por...@gmail.com>
> wrote:
>
>> yeah, just checked them and they sound quite the same now ;) I wonder how
>> I screwed up
>>
>> 2016-02-16 12:39 GMT-02:00 Matt Barber <brbrof...@gmail.com>:
>>
>>> Yeah, the phase relationships didn't match those in the SC3 code. I'll
>>> send the updated patch when I can get to my computer.
>>> On Feb 16, 2016 9:36 AM, "Alexandre Torres Porres" <por...@gmail.com>
>>> wrote:
>>>
>>>> > OK, I had to adjust the Pd patch a little to get it to match the SC3
>>>> code.
>>>>
>>>> why? what do you mean? was it wrong?
>>>>
>>>> 2016-02-16 6:07 GMT-02:00 Matt Barber <brbrof...@gmail.com>:
>>>>
>>>>> OK, I had to adjust the Pd patch a little to get it to match the SC3
>>>>> code. I've made an A/B test: one is SC3 and the other is the matching Pd
>>>>> patch. See if you can tell which one is which, and why you answered the
>>>>> way
>>>>> you did. I went fast and made them 44.1kHz 16-bit; you'll have to live
>>>>> with
>>>>> it. :)
>>>>>
>>>>> On Mon, Feb 15, 2016 at 11:55 PM, Alexandre Torres Porres <
>>>>> por...@gmail.com> wrote:
>>>>>
>>>>>> correct code
>>>>>>
>>>>>> {VarSaw.ar(LFPulse.kr(1, 0, 0.3, 50, 50), 0, LFTri.ar(1, 0, 0.5,
>>>>>> 0.5))!2}.play
>>>>>>
>>>>>> 2016-02-16 2:54 GMT-02:00 Alexandre Torres Porres <por...@gmail.com>:
>>>>>>
>>>>>>> well, while we're at it, here's the patches for you to check and
>>>>>>> speculate :)
>>>>>>>
>>>>>>>
>>>>>>> SuperCollider Code;
>>>>>>> VarSaw.ar(LFPulse.kr(1, 0, 0.3, 50, 50), 0, LFTri.ar(1, 0, 0.5,
>>>>>>> 0.5))!2.play
>>>>>>>
>>>>>>> 2016-02-16 2:45 GMT-02:00 Matt Barber <brbrof...@gmail.com>:
>>>>>>>
>>>>>>>> If there is difference between the sound of [triangle~] and VarSaw,
>>>>>>>> it might actually be in the way phase is generated. The algorithms
>>>>>>>> themselves are pretty much the same, but while VarSaw makes its own
>>>>>>>> single-precision phase by simply subtracting 1 when an increment takes
>>>>>>>> it
>>>>>>>> past 1.0 (using a conditional on each sample), [triangle~] is a
>>>>>>>> waveshaper
>>>>>>>> that is fed phase. Pd's phasor is a little idiosyncratic, using a kind
>>>>>>>> of
>>>>>>>> bit-hacking to unwrap phase (the Höldrich method), which is supposed to
>>>>>>>> perform a bit faster than a conditional, and it's inside not just
>>>>>>>> [phasor~]
>>>>>>>> but all the oscillator objects. If I remember correctly it can be
>>>>>>>> prone to
>>>>>>>> phase drift over time, but don't quote me on that.
>>>>>>>>
>>>>>>>> On Mon, Feb 15, 2016 at 11:24 AM, Alexandre Torres Porres <
>>>>>>>> por...@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> I still believe differences between Pd and SC depend on other
>>>>>>>>> technical details than the ones presented, because similar objects
>>>>>>>>> like
>>>>>>>>> triangle~ and VarSaw will just sound quite differently, hence it may
>>>>>>>>> rely
>>>>>>>>> on subtleties inside the objects themselves. And I'm not talking
>>>>>>>>> about the
>>>>>>>>> "cultural" use which is something I believe makes quite a difference
>>>>>>>>> even
>>>>>>>>> in the Pd x Max world (when they both sound quite similar).
>>>>>>>>>
>>>>>>>>> cheers
>>>>>>>>>
>>>>>>>>> 2016-02-15 13:54 GMT-02:00 Andy Farnell <
>>>>>>>>> padawa...@obiwannabe.co.uk>:
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Good list of technical peculiarities Claude. For me, the "sound"
>>>>>>>>>> is those
>>>>>>>>>> quirks combined with how Chris describes a "cultural" or
>>>>>>>>>> "contextual" use.
>>>>>>>>>> I used to be great at knowing the sound of software or hardware
>>>>>>>>>> sources
>>>>>>>>>> and could spot Reaktor, or a Roland analogue in moments. But
>>>>>>>>>> emulations
>>>>>>>>>> got better and my ears got older, and maybe I began to care less
>>>>>>>>>> about
>>>>>>>>>> implementation and more about artistic intent. As Chris says,
>>>>>>>>>> different tools tend to make you think and work in certain
>>>>>>>>>> patterns,
>>>>>>>>>> and I think it is this more than anything that constitutes a
>>>>>>>>>> "sound".
>>>>>>>>>>
>>>>>>>>>> cheers
>>>>>>>>>> Andy
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
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>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Pd-list@lists.iem.at mailing list
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>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>
trials.pd
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